Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, phong chong
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
dac nhan » cac nhan, danh nhan, ca nhan
nhan cap » khan cap, than cap, nhan cach

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - hanh tang luan ((thong cong) OR (thong thong)) dac nhan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo hieu lang - hanh tang luan ((thong cong) OR (thong thong)) dac nhan cap".
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - hanh tang luan ((thong cong) OR (thong thong)) dac nhan cap*.